1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.internal.widget; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.util.Log; 22 import android.view.View; 23 import android.widget.RelativeLayout; 24 25 public class FaceUnlockView extends RelativeLayout { 26 private static final String TAG = "FaceUnlockView"; 27 28 public FaceUnlockView(Context context) { 29 this(context, null); 30 } 31 32 public FaceUnlockView(Context context, AttributeSet attrs) { 33 super(context, attrs); 34 } 35 36 private int resolveMeasured(int measureSpec, int desired) 37 { 38 int result = 0; 39 int specSize = MeasureSpec.getSize(measureSpec); 40 switch (MeasureSpec.getMode(measureSpec)) { 41 case MeasureSpec.UNSPECIFIED: 42 result = desired; 43 break; 44 case MeasureSpec.AT_MOST: 45 result = Math.max(specSize, desired); 46 break; 47 case MeasureSpec.EXACTLY: 48 default: 49 result = specSize; 50 } 51 return result; 52 } 53 54 @Override 55 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 56 final int minimumWidth = getSuggestedMinimumWidth(); 57 final int minimumHeight = getSuggestedMinimumHeight(); 58 int viewWidth = resolveMeasured(widthMeasureSpec, minimumWidth); 59 int viewHeight = resolveMeasured(heightMeasureSpec, minimumHeight); 60 61 final int chosenSize = Math.min(viewWidth, viewHeight); 62 final int newWidthMeasureSpec = 63 MeasureSpec.makeMeasureSpec(chosenSize, MeasureSpec.AT_MOST); 64 final int newHeightMeasureSpec = 65 MeasureSpec.makeMeasureSpec(chosenSize, MeasureSpec.AT_MOST); 66 67 super.onMeasure(newWidthMeasureSpec, newHeightMeasureSpec); 68 } 69 } 70